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Sierra Space

Software Engineer I - Flight Software

  • Seen live on Sierra Space's site yesterday
  • New grad
Pay
$84k to $115k a year USD
Location
Louisville, CO · Centennial, CO
Open for
17+ days
First seen
Oct 18, 2026
Apply on Sierra Space's site (opens in a new tab)

Posting record

No flags

Open 17+ days

The posting's record, oldest first
  1. Sierra Space's site dates the posting
  2. Ghostless first sees this role listed
  3. This listing goes up
  4. That listing comes down
  5. Last checked: still up
How we know

It hasn't been reposted, listed twice, or left up unusually long, and the posting doesn't say it's a talent pool.

Ghostless records the day it first sees a posting, so a repost can't reset its age. This one was already up when Ghostless started tracking Sierra Space, so its true age is longer.

Last checked Nov 3, 2026.

How well do you match?

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What it asks of you

Security clearance required
“Security Clearance is required.” (quoted from the posting)
0–2 years of experience
“Typically, 0 - 2 years of experience.” (quoted from the posting)
Bachelor's degree asked for
“Requires bachelor's degree in a related field (or equivalent work experience in lieu of degree).” (quoted from the posting)
Equivalent experience accepted instead of a degree
“Requires bachelor's degree in a related field (or equivalent work experience in lieu of degree).” (quoted from the posting)

What the posting discloses

Pay
$84k to $115k a year USD
$83,999.00 - $115,498.25 (quoted from the posting)

Not stated: Real vacancy, AI screening.

Why these three

Ontario requires postings from employers with 25 or more staff to state the pay, whether the vacancy exists, and whether AI screens applicants.

Skills mentioned

About the role

Sierra Space Careers

At Sierra Space, we build the missions and systems that keep our world secure in the domain above Earth.

Sierra Space team members share a spirit of innovation and collaboration and a belief that we can deliver on the boldest missions in space today. Together with our customers, we aim to safeguard our nation, sustain human presence in space, and secure the freedom of operations in low Earth orbit and beyond.

Our success is measured by the trust of those who rely on what we build and deliver, and our technologies keep the United States and its allies mission-ready throughout space.

We are mission-driven, and together, we are an extraordinary team.

About the Role

The Software Engineer I role involves designing, developing, and testing software applications for space systems and technologies. This entry-level position is ideal for individuals with a basic understanding of programming languages and software development principles who are eager to grow their skills in a collaborative environment. The role includes writing clean, maintainable code, collaborating with senior engineers, and staying current with industry trends.

In this role, you will design, develop, and test software applications for space systems and technologies while writing clean, maintainable code that adheres to best practices and coding standards. You will collaborate with senior engineers to understand project requirements and complete assigned tasks efficiently. Utilizing version control systems such as Git, you will manage code changes and work collaboratively with team members. You will participate in code reviews to ensure code quality and compliance with development standards, troubleshoot and resolve software-related issues in a timely manner, and document software designs, configurations, processes, and procedures for future reference. Additionally, you will stay current with industry trends and advancements in software development and space technologies to continuously improve your skills and contribute effectively to the team.

About You

Our mission is driven by an unyielding commitment to advancing space-based technology in service of our customers and safeguarding national security. We seek individuals who are passionate about innovating beyond boundaries and relentlessly pursuing solutions that protect, preserve and empower – to join us in this critical mission.

We’re looking for team members who align with our values, mission and goals – while also meeting the minimum qualifications below. The preferred qualifications are a bonus, not a requirement.

Minimum Qualifications

  • Requires bachelor's degree in a related field (or equivalent work experience in lieu of degree).
  • Typically, 0 - 2 years of experience.
  • Basic understanding of one or more programming languages and software development principles.
  • Ability to write clean, maintainable code.
  • Familiarity with version control systems such as Git.
  • Ability to work in a team environment.
  • The ability to obtain and maintain a U.S. Security Clearance is required.

Preferred Qualifications

  • Additional experience in embedded systems or software development through coursework, internships, or employment.
  • Familiarity with programming languages such as Python or C++.
  • Understanding of software development methodologies such as Agile or Scrum/Kanban.
  • Strong problem-solving skills and attention to detail.
  • Excellent communication skills and the ability to work effectively in a team environment.

Compensation

Pay Range

$83,999.00 - $115,498.25

Your actual base compensation will be determined on a case-by-case basis and may vary based on job-related knowledge and skills, education, experience, internal equity and market competitiveness.

IMPORTANT NOTICE

This position requires the ability to obtain and maintain a U.S. Security Clearance. U.S. Citizenship status is required as this position needs an active U.S. Security Clearance for employment. Non-U.S. citizens may not be eligible to obtain a security clearance. The Department of Defense Consolidated Adjudications Facility (DoD CAF), a federal government agency, handles the adjudicative aspects of the security clearance eligibility process for industry applicants. Adjudicative factors which affect the outcome of the eligibility determination include, but are not limited to, allegiance to the U.S., foreign influence, foreign preference, criminal conduct, security violations and illegal drug use.

Elevate Your Career

At Sierra Space, we are committed to your personal and professional development. We empower you to make profound and meaningful contributions and foster a vibrant culture of collaboration, where teamwork ignites breakthrough innovations.

We also offer a generous benefit package, including medical, dental, and vision plans, 401(k) with 150% match up to 6%, life insurance, 3 weeks paid time off, and more.

Sierra Space is an industry-leading space and defense technology company providing satellites, spacecraft, and enabling mission systems and components. We deliver mission-proven technologies to our customers that safeguard our nation, protect space-based assets and enable space exploration.

Application Deadline: This role will remain posted until a qualified pool of candidates is identified.

Please note: Sierra Space does not accept unsolicited resumes from contract agencies or search firms. Any unsolicited resumes submitted to our website or to Sierra Space team members not through our approved vendor list or Talent Acquisition will be considered property of Sierra Space, and we will not be obligated to pay any referral fees.

Sierra Space Corporation is an equal opportunity employer and is committed to working with and providing reasonable accommodations to applicants with disabilities. If you need special assistance or a reasonable accommodation related to applying for employment with Sierra Space or at any stage of the recruitment process, please contact us .

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